CC-DIN315-DS-M8 rev A Size datasheet - M8
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DIN 315 M8 wing nut, rounded wings
Size datasheet: this size's values with their levels, conventions and sources.
Thread M8 x 1.25, ISO metric coarse, right hand Part key din315-m8 \/ Y, Files 2 STEP AP214 (simplified + threaded) Simplified - M8, front view, 1:1 Threaded - M8, front view, 1:1 Sym. Dimension Value Level
P Thread pitch 1.25 L1- 3
e Wing span 37.5 L1- 3 36-39
h Overall height 19 L1- 3 18-20
m Boss height 8.25 L1- 3 6.5-10
d2 Boss foot diameter 14.5 L1- 3 13-16
d3 Boss top diameter 11.5 L1- 2 10.5-12.5
gl Wing thickness at the top 2.4 Ll + 3 2-2.8
g2 Wing thickness at the root 4.0 L1- 2 3.6-4.4
ri Wing lobe radius 6 ref L1- 2
r3 Wing root radius (front) 1 ref L1- 2
ra Wing root radius (plan) 3 ref Ll + 2
D1 Basic minor diameter (crests) 6.6468 L1- 2
Modeled value: nominal, else the midpoint of min-max. ref: the standard's approximate radius, modeled as given. * amber: one source (LO). c: a source value was corrected. Level - independent sources. The wing outline joins the values by a house construction (sheet DO2).
DIN 315:1998 - ISO 68-1/ ISO 261 (thread) Page 1/2 Wing nut - M8 - both detail levels - Dimensions in mm - CC-BY 4.0, lronPixel Labs LLC spec acdf428c50c2166d020400a0cbdcc023c2d1118e
Modeled from cited sources; not certified. Found an error? Use the feedback section on the part page.
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CC-DIN315-DS-M8 rev A Size datasheet - M8
'?) CommunityCAD
Conventions
¢ Boss: a straight cone from d2 at the bearing face to d3 at m, flat on top.
« Wing outline: lobes of r1 touching e/2 and h; outer flanks tangent from the boss's foot, inner flanks from the top of the boss with r3 at the flat. Not specified by the standard.
+ Wing faces: planes, g2 at the bearing face to g1 at h. Plan-view blends r4 at the boss, illustrative. Not specified by the standard.
« Wing edges sharp (r2: 'rounded', no value at this size; pending the owner).
« Bore: plain at D through the boss (simplified); ISO 68-1 basic internal thread over the full boss height (threaded). No countersink.
« No markings. Features the standard does not dimension are house conventions.
Sources
Source Publisher Retrieved sha256
amesweb-tap-drill AMESweb 2026-10-23 e6501cc1414a
pule-basic-minor CommunityCAD 2026-10-23 00329692204
fasten-it-din315 fasten.it 2026-11-04 e9297F1d86b3
fasteners-eu-din315 fasteners.eu 2026-11-04 3484efb42413
krepcom-din315 Krepcom (translation by MALUKPEME)K) 2026-11-04 3416687e78a8 (kept outside the repo)
The whole series (verification map, drawings): CC-DIN315-Ds.
DIN 315:1998 - ISO 68-1/ ISO 261 (thread) Page 2/2 Wing nut - M8 - both detail levels - Dimensions in mm - CC-BY 4.0, lronPixel Labs LLC spec acdf428c50c2166d020400a0cbdcc023c2d1118e
Modeled from cited sources; not certified. Found an error? Use the feedback section on the part page.